Jerry, 

I have had moderate success with creating a separate properties file with your 
database info in it. You can use a simple properties file with key-value pairs 
and then use a class with a name like MailetProperties to read the file into 
your application. I recommend this approach so that you have the capability to 
add more properties and use them in more places. 

Sent from my iPhone

> On Sep 17, 2019, at 2:14 AM, Tellier Benoit <[email protected]> wrote:
> 
> If I were you, I'd use only mailet configuration properties for this.
> 
>> On 17/09/2019 10:18, Jerry Malcolm wrote:
>> No the main mailet in question is 100% custom.  It is a mailet that
>> decides what folder to put the mail item in.  I access a completely
>> separate client database and determine if the sender is a client vs. a
>> vendor vs. an employee and store the mail in a different folder based on
>> the result.  The client database is completely unrelated to james.  It's
>> just a lookup.  Since this mailet is pure custom, I really don't care to
>> do any more integration into James other than mailet interface.  My main
>> goal was simply to be able to store the database name, id/pw, url, etc
>> in a database properties file and get it out of the mailet code and/or
>> the mailet flow xml files.   Again, not a big deal.
>> 
>>> On 9/16/2019 9:49 PM, Tellier Benoit wrote:
>>> Hi Jerry,
>>> 
>>> Are you speaking of JDBC mailets (whiteList for instance)
>>> 
>>> These mailets are currently deprecated (or will be) as they hard code
>>> their database, are not standard, not tested and not documented. Note
>>> that they are considered as 'experimental' ( cf
>>> http://james.apache.org/server/dev-provided-mailets.html ).
>>> 
>>> I would discourage their use (unless you really need these features) and
>>> call for contribution:
>>> 
>>>   - Write a generic storage API for them
>>>   - Rewrite these mailets on top of this storage API
>>>   - Provide JPA storage for these storage APIs
>>>   - Bind stuff in Guice/Spring
>>> 
>>> A bit of work, but if you really need it, I would be pleased to provide
>>> such guidance.
>>> 
>>>> On 17/09/2019 09:39, Jerry Malcolm wrote:
>>>> A couple of my mailets need to access a different database other than
>>>> the base james db.  I've got the main db set up in the
>>>> james-database.properties file.  Currently I'm just hardcoding the
>>>> database connection to the other db in the mailet.  Just curious if
>>>> there's a better architected process where I can define two datasources
>>>> in james-database.properties and reference the alternate datasource when
>>>> needed.  Couldn't see anything as to how to do that.   Not a big deal.
>>>> Just trying to clean up a few things as I migrate to the new version.
>>>> 
>>>> 
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